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Articles 61 - 83 of 83
Full-Text Articles in Plant Sciences
Validation Of Rapd Markers Associated With Frost Tolerancein Winter Faba Bean (Vicia Faba L.), Ahmed Sallam, Regina Martsch
Validation Of Rapd Markers Associated With Frost Tolerancein Winter Faba Bean (Vicia Faba L.), Ahmed Sallam, Regina Martsch
Turkish Journal of Botany
A set of 189 single seed lines (validation set, v-set), derived from a natural crossing crossing between 11 founder lines, were used as a different genetic background to validate markers associated with frost tolerance and leaf fatty acid composition content in the winter faba bean. These lines were evaluated in 20 replications with lattice design under three freezing temperatures (-16 °C, -18 °C, and -19 °C). Two morphological traits, regrowth after frost (REG) and area under symptom progress curve (AUSPC), were scored. In addition, leaf fatty acid composition content was analyzed after hardening conditions (without frost). High significant correlation was …
Ultrastructural Observations In Somatic Embryogenesis Of Natural Tetraploid Trifolium Pratense L., Hati̇ce Çölgeçen, Hati̇ce Nurhan Büyükkartal, Ufuk Koca Çalişkan
Ultrastructural Observations In Somatic Embryogenesis Of Natural Tetraploid Trifolium Pratense L., Hati̇ce Çölgeçen, Hati̇ce Nurhan Büyükkartal, Ufuk Koca Çalişkan
Turkish Journal of Botany
Previous reports of plant regeneration of natural tetraploid T. pratense L. `Elçi' could be realized only through the apical meristem calli. In order to proceed to the production stage, other regeneration methods need to be tried. Aseptic seedlings were used for the production of somatic embryos through various 2,4-D and kinetin trials. Nonuniform external callus cells with translucent cytoplasm were observed in various developmental stages of somatic embryos. Beneath these cells, there were uniformly aligned, dark-stained embryo cells with dense cytoplasm. Despite the similar developmental stages and cell characteristics of zygotic and somatic embryos, the walls of somatic embryo cells …
A New Species Of Plectranthus (Lamiaceae) From Saudi Arabia, Kadry Abdel Khalik
A New Species Of Plectranthus (Lamiaceae) From Saudi Arabia, Kadry Abdel Khalik
Turkish Journal of Botany
Plectranthus hijazensis Abdel Khalik (Lamiaceae) is described as a new species from Al-Baha Province in Saudi Arabia. Information given on the new species includes a taxonomic description and its affinity to Plectranthus asirensis L. A key to Plectranthus species of Saudi Arabia is provided, and the relationships of the species and the relevant morphological characters, particularly seed, pollen grains, trichomes, and anatomy of stem and leaf, are discussed. A distribution map of the new species and related species is provided.
First Molecular Records Of Potentially Harmful Planktonic Dinoflagellatesfrom The Southern Black Sea, Özgür Baytut, Cem Tolga Gürkanli, Eda Deni̇z, İbrahi̇m Özkoç, Ari̇f Gönülol
First Molecular Records Of Potentially Harmful Planktonic Dinoflagellatesfrom The Southern Black Sea, Özgür Baytut, Cem Tolga Gürkanli, Eda Deni̇z, İbrahi̇m Özkoç, Ari̇f Gönülol
Turkish Journal of Botany
The aim of this study was to identify dinoflagellate species from the Black Sea (Samsun coast) using conventional and molecular phylogenetic methods. Water samples were collected using a plankton net with 22 µm pores. Dinoflagellate cells were documented under a light microscope and were then isolated for the single-cell PCR procedure. Phylogenetic inference showed that the isolates collected from the study area were affiliated with various harmful taxa: Dinophysis acuta Ehrenberg and Phalacroma rotundatum (Claparéde & Lachmann) Kofoid & Michener from dinophysioids, and Prorocentrum compressum (Bailey) Abé ex Dodge, P. cordatum (Ostenfeld) Dodge, and P. micans Ehrenberg from prorocentroids. In …
Lectotypification Of Three Indian Endemic Taxa Of Pittosporum (Pittosporaceae), Rajeev Kumar Singh
Lectotypification Of Three Indian Endemic Taxa Of Pittosporum (Pittosporaceae), Rajeev Kumar Singh
Turkish Journal of Botany
Three recognized Indian endemic taxa of Pittosporum Banks. ex Gaertn. are lectotypified, namely Pittosporum dasycaulon Miq., P. humile Hook. f. & Thomson, and P. neelgherrense Wight & Arn.
A Taxonomic Revision Of The Genus Cirsium Mill. Sect. Cirsium(Asteraceae: Cardueae) In Turkey, Bayram Yildiz, Turan Arabaci, Tuncay Di̇rmenci̇, Serkan Köstekci̇
A Taxonomic Revision Of The Genus Cirsium Mill. Sect. Cirsium(Asteraceae: Cardueae) In Turkey, Bayram Yildiz, Turan Arabaci, Tuncay Di̇rmenci̇, Serkan Köstekci̇
Turkish Journal of Botany
In this study, the members of the genus Cirsium Mill. sect. Cirsium (Asteraceae: Cardueae) in Turkey are revised. The species C. eliasianum Kit Tan & Sorger is regarded as a synonym of C. frickii Fisch. & C.A.Mey. The name C. alatum subsp. alatum was misapplied for C. elodes M.Bieb. and C. elodes was misapplied in Turkey for C. subinerme Fisch. & C.A.Mey. In addition, two new hybrids, C. × prativagum Petr. and C. × woronowii Petr., are newly recorded for the flora of Turkey. The lectotype of C. pseudopersonata Boiss. & Balansa ex Boiss. subsp. kusnezowianum (Sommier & Levier) Petr. …
New Records Of Basidiomycota From Trabzon, Tokat, And İstanbul Provinces In Turkey, Ertuğrul Sesli̇, İbrahi̇m Türkekul, Ilgaz Akata, Tuula Ni̇skanen
New Records Of Basidiomycota From Trabzon, Tokat, And İstanbul Provinces In Turkey, Ertuğrul Sesli̇, İbrahi̇m Türkekul, Ilgaz Akata, Tuula Ni̇skanen
Turkish Journal of Botany
Basidiomata were collected from Trabzon, Tokat, and İstanbul provinces between 2011 and 2015. Standard methods were used during collecting and microscopic investigations. Cantharellus ianthinoxanthus (R.Maire) Kühner, Cortinarius humicola (Quél.) Maire, Cortinarius obtusorum Rob.Henry, Cortinarius rubicundulus (Rea) A.Pearson, Cortinarius sordescens Rob.Henry, Crinipellis subtomentosa
Plant Biomass: Insights From Imaging Cell Walls Using Molecular Probes, Utku Avci
Plant Biomass: Insights From Imaging Cell Walls Using Molecular Probes, Utku Avci
Turkish Journal of Botany
Cell walls are an important and growing subject of research in plant biology. In the last decade, there has been an increasing interest in using cell walls as feedstock for the production of second generation biofuels. This has resulted in an expansion in the number of cell wall studies and has highlighted the need for a better understanding of cell wall structure and function. Cell walls are composed of polymers with complex and dynamic structures that vary between cell types and developmental stages as well as between taxonomic groups of plants. To address the diversity of glycans that form the …
Genetic Relationships Among The Genera Cicer L., Lathyrus L., Lens Mill., And Vicia L., Together With Similarity Of Lens Taxa Based On Morphological And Aflp Markers, Zeynep Yildizdoğan, Cengi̇z İkten, Nedi̇m Mutlu, Cengi̇z Toker
Genetic Relationships Among The Genera Cicer L., Lathyrus L., Lens Mill., And Vicia L., Together With Similarity Of Lens Taxa Based On Morphological And Aflp Markers, Zeynep Yildizdoğan, Cengi̇z İkten, Nedi̇m Mutlu, Cengi̇z Toker
Turkish Journal of Botany
The molecular characterization of the seven taxa in the genus Lens Mill. with Vicia montbretii has not been performed, and species of the genera Vicia L., Lathyrus L., and Cicer L. using AFLP markers have not been elucidated so far. The objectives of the present study were the assessment of (i) genetic relationships among the genera Lens, Vicia, Lathyrus, and Cicer based on AFLP markers, (ii) relationships within the genus Lens including the accessions of L. lamottei Czefr., L. tomentosus Ladiz., and L. odemensis Ladiz., based on morphological and AFLP data, and (iii) position of the species Vicia montbretii (Fisch. …
Comparison Of Rdna Regions (Its, Lsu, And Ssu) Of Some Aspergillus, Penicillium, And Talaromyces Spp., Rasi̇me Demi̇rel
Comparison Of Rdna Regions (Its, Lsu, And Ssu) Of Some Aspergillus, Penicillium, And Talaromyces Spp., Rasi̇me Demi̇rel
Turkish Journal of Botany
Aspergillus, Penicillium, and Talaromyces spp. are commonly found worldwide and include industrially and medicinally important members. These genera are deeply related with life from soil to health hazards via their industrial products, surface proteins, biodiversity, food spoilage, mycotoxins, etc. These three genera progressively encounter important taxonomic revisions, such as the one fungus-one name concept, and various methods are available to establish their evolutionary and phylogenetic relationships. Besides morphological, microscopic, and extrolite analyses, nucleotide sequence analysis is the most preferred method. In particular, rDNA regions, such as the internal transcribed spacer (ITS), large subunit (LSU), and small subunit (SSU), are commonly …
In Vitro Seed Germination, Plantlet Growth, Tuberization, And Syntheticseed Production Of Serapias Vomeracea (Burm.F.) Briq., Ersan Bektaş, Atalay Sökmen
In Vitro Seed Germination, Plantlet Growth, Tuberization, And Syntheticseed Production Of Serapias Vomeracea (Burm.F.) Briq., Ersan Bektaş, Atalay Sökmen
Turkish Journal of Botany
Orchids are considered recalcitrant plants in in vitro propagation. Due to the lack of appropriate micropropagation techniques for mass production and damage to their ecological distribution posed by local gatherers, these species are threatened with extinction, including Serapias vomeracea (Burm.f.) Briq. In this research, we put forward a complete micropropagation method covering in vitro micropropagation, synthetic seed formation, germination in soil, and acclimatization to ambient conditions. To the best of our knowledge this is the first report of successful synthetic seed formation and germination of S. vomeracea. Initially, seeds were germinated in different culture media and also media supplemented with …
Abiotic Factors Affecting The Distribution Of Oaks In Lebanon, Jean Stephan, Lara Chayban, Federico Vessella
Abiotic Factors Affecting The Distribution Of Oaks In Lebanon, Jean Stephan, Lara Chayban, Federico Vessella
Turkish Journal of Botany
This study is a first tentative attempt to understand the driving abiotic factors affecting the distribution of 7 oak taxa and 3 hybrids in Lebanon and to elucidate differences amongst the ecological niche. A field survey was conducted all over Lebanon, where taxa at 91 points were georeferenced and inventoried. GIS tools were used to overlay attributed data for the studied parameters including biogeographic, bioclimatic, and orographic parameters. Discriminant factor analysis (DFA) was performed to evaluate the variables maximizing the variance among oak species and to point out the most discriminatory factors shaping their actual distribution. The results showed that …
Labellum Micromorphology Of Some Orchid Genera (Orchidaceae) Distributed In The Black Sea Region In Turkey, Şenay Süngü Şeker, Mustafa Kemal Akbulut, Gülcan Şenel
Labellum Micromorphology Of Some Orchid Genera (Orchidaceae) Distributed In The Black Sea Region In Turkey, Şenay Süngü Şeker, Mustafa Kemal Akbulut, Gülcan Şenel
Turkish Journal of Botany
A detailed micromorphological analysis of the labellum was carried out using both light and scanning electron microscopy on 14 genera (Anacamptis, Cephalanthera, Coeloglossum, Dactylorhiza, Gymnadenia, Himantoglossum, Limodorum, Neottia, Orchis, Ophrys, Platanthera, Serapias, Spiranthes, and Steveniella) of Orchidaceae in Turkey. In the samples, various epidermal features were identified in the spur that developmentally are invaginations of the labellum and the adaxial surface of the labellum. Typical secretory cells and inclusions such as starch or calcium oxalate crystals of different sizes and shapes were found within the structure of individuals. In many genera, characteristically shaped secretory trichomes and papillae were concentrated at …
Diversity And Ecology Of Benthic Algae In Karagöl Lake, Karagöl-Saharanational Park (Şavşat, Artvin, Turkey), Bülent Akar, Bülent Şahi̇n
Diversity And Ecology Of Benthic Algae In Karagöl Lake, Karagöl-Saharanational Park (Şavşat, Artvin, Turkey), Bülent Akar, Bülent Şahi̇n
Turkish Journal of Botany
Benthic algal flora of Karagöl Lake, its seasonal variation, and the physical and chemical parameters of the water were studied between October 2008 and September 2010. The algal flora consisted of 112 taxa belonging to the divisions Charophyta (41), Chlorophyta (33), Cyanobacteria (18), Euglenozoa (17), Miozoa (2), and Ochrophyta (1). Six desmid taxa found in this research are new records for the freshwater algal flora of Turkey. The qualitative dominance of benthic taxa typical of slightly alkaline and mesotrophic ecosystems was observed. The qualitative and seasonal variations in epipelic taxa analyzed were dependent on the physicochemical characteristics of the water. …
Two New Records And A Confirmation For The Vascular Flora Of Turkey, Hasan Yildirim, Yusuf Altioğlu, Ri̇yat Gül, Meli̇ha Gemi̇ci̇
Two New Records And A Confirmation For The Vascular Flora Of Turkey, Hasan Yildirim, Yusuf Altioğlu, Ri̇yat Gül, Meli̇ha Gemi̇ci̇
Turkish Journal of Botany
Campanula raddeana Trautv. (Campanulaceae), based on samples collected from Çıldır (A9 Ardahan), and Galatella cretica Gand. (Asteraceae), based on samples collected from Marmaris (C1 Muğla), were recorded as new findings for the Flora of Turkey. In addition, Silene samia Melzh. & Christod. (Caryophyllaceae) was confirmed in Turkey based on samples from four localities in southwest Anatolia. Detailed descriptions, locality information, and distribution maps of the cited taxa were also given in the present study.
Relationships Between Some Endogenous Signal Compounds And The Antioxidantsystem In Response To Chilling Stress In Maize (Zea Mays L.) Seedlings, Nevzat Esi̇m, Ökkeş Atici
Relationships Between Some Endogenous Signal Compounds And The Antioxidantsystem In Response To Chilling Stress In Maize (Zea Mays L.) Seedlings, Nevzat Esi̇m, Ökkeş Atici
Turkish Journal of Botany
This study investigated the correlation between endogenous levels of some signal compounds [nitric oxide (NO), salicylic acid (SA), abscisic acid (ABA)] and the antioxidant system in response to chilling stress in maize (Zea mays L.). Seedlings grown for 12 or 19 days under normal conditions (24/20 °C) were exposed to chilling stress (10/7 °C) for 2 days. The levels of NO, SA, ABA, hydrogen peroxide (H2O2), superoxide anion (O2.-), and malondialdehyde (MDA) were determined in leaves of seedlings harvested on day 14 and day 21. In the same seedlings, the activities of superoxide dismutase (SOD), peroxidase (POX), catalase (CAT), and …
Inocybe Kohistanensis, A New Species From Swat, Pakistan, Sana Jabeen, Ishtiaq Ahmad, Abdur Rashid, Abdul Khalid
Inocybe Kohistanensis, A New Species From Swat, Pakistan, Sana Jabeen, Ishtiaq Ahmad, Abdur Rashid, Abdul Khalid
Turkish Journal of Botany
Inocybe kohistanensis, a new species, is described from Swat, Khyber Pakhtunkhwa, Pakistan, on the basis of morphological characters as well as molecular phylogenetic analyses. The new species is characterized by a fibrillose reddish brown pileus, pruinose stipe with a prominent marginate bulb, and nodular spores. Sequences from the internal transcribed spacer region suggest that I. Kohistanensis is distinct from all other Inocybe species sampled.
Contribution To The Epiphytic Flora And Vegetation Of The Lakes District In The Burdur Region (Turkey), Mevlüt Alataş, Recep Kara, Tülay Ezer, Nevzat Batan, Turan Özdemi̇r
Contribution To The Epiphytic Flora And Vegetation Of The Lakes District In The Burdur Region (Turkey), Mevlüt Alataş, Recep Kara, Tülay Ezer, Nevzat Batan, Turan Özdemi̇r
Turkish Journal of Botany
In this study the epiphytic bryophyte flora and vegetation of the Bucak Sweetgum Forest Nature Park and Karacaören Dams Environment (Burdur, Turkey) were investigated between 2012 and 2013. We identified 221 bryophyte specimens collected from tree trunks; a total of 37 bryophyte taxa (8 liverworts and 29 mosses) belonging to 19 genera and 15 families were identified. As a result of the evaluation of 29 relevés of different sizes taken from trunks using the Braun-Blanquet method, Leptodonto smithii-Leucodontetum sciuroidis and Cryphaeetum arborae (with both subassociation typicum and subassociation orthotrichetosum diaphani) belonging to the Fabronion pusillae alliance were recorded for the …
The Influence Of Environmental Variables On Punica Granatum L.Assemblages In Subtropical Dry Temperate Woodland In The Districtof Lower Dir, Khyber Pakhtunkhwa, Pakistan, Muhammad Irshad, Nasrullah Khan, Kishwar Ali, Zahid Muhammad
The Influence Of Environmental Variables On Punica Granatum L.Assemblages In Subtropical Dry Temperate Woodland In The Districtof Lower Dir, Khyber Pakhtunkhwa, Pakistan, Muhammad Irshad, Nasrullah Khan, Kishwar Ali, Zahid Muhammad
Turkish Journal of Botany
Punica granatum L. (Wild) is an important fruit-yielding species of the world and a source of income for people, particularly in the Hindukush-Himalayas of Pakistan. Considering its ecological and commercial importance, an attempt was made to provide a primary assessment of its compositional pattern with relation to environmental variables for ecologically unexplored Punica granatum forests located in a subtropical dry temperate zone using multivariate techniques. The vegetation data were collected from 40 Punica granatum forest stands along with the associated environmental data (12 variables) at different locations. Classification of the stands was carried out using Ward?s agglomerative cluster analysis. In …
Arbuscular Mycorrhizal And Dark Septate Endophyte Fungal Associations In Asparagus, Muthukumar Thangavelu, Muthuraja Raji
Arbuscular Mycorrhizal And Dark Septate Endophyte Fungal Associations In Asparagus, Muthukumar Thangavelu, Muthuraja Raji
Turkish Journal of Botany
We studied the arbuscular mycorrhizal (AM) and dark septate endophyte (DSE) fungal associations in five species of pot-grown Asparagus (A. aethiopicus, A. densiflorus, A. setaceus, A. racemosus, and A. umbellatus). Root colonization by AM and DSE fungi and AM spore numbers in the soil were assessed. AM fungal diversity indices like species richness, Shannon-Weiner index, Simpson's index, evenness, and Jaccard's index were determined. Relationships among the fungal and soil variables were also examined. All the species of Asparagus examined were colonized by both AM and DSE fungi, and these associations have been reported for the first time in four species. …
Exogenous Nitric Oxide Protects Against Drought-Induced Oxidativestress In Malus Rootstocks, Linsen Zhang, Xuewei Li, Xifeng Li, Zhou Wei, Mingyu Han, Lixin Zhang, Bingzhi Li
Exogenous Nitric Oxide Protects Against Drought-Induced Oxidativestress In Malus Rootstocks, Linsen Zhang, Xuewei Li, Xifeng Li, Zhou Wei, Mingyu Han, Lixin Zhang, Bingzhi Li
Turkish Journal of Botany
D?rought is a major environmental stress that limits the growth and productivity of fruit trees in semiarid and arid regions. We evaluated the potential of exogenous nitric oxide (NO) to improve the drought tolerance of apple rootstocks (Malus spp.). Leaves of 2-year-old seedlings of drought-sensitive Malus hupehensis (Pamp.) Rehd. And drought-tolerant Malus sieversii (Ledeb.) M.Roem. Rootstocks were sprayed with NO donor sodium nitroprusside (SNP) at 0-400 μmol L-1, and then the plants were subjected to drought stress. Among all SNP treatments, the 300 μmol L-1 SNP treatment mostly alleviated drought-induced ion leakage and the accumulation of malondialdehyde and solu?ble proteins …
Ecological Wood Anatomy Of Fraxinus L. In Turkey (Oleaceae): Intraspecific And Interspecific Variation, Funda Erşen-Bak, Nesi̇me Merev
Ecological Wood Anatomy Of Fraxinus L. In Turkey (Oleaceae): Intraspecific And Interspecific Variation, Funda Erşen-Bak, Nesi̇me Merev
Turkish Journal of Botany
Wood anatomy features of eight taxa (four species) of the genus Fraxinus L. indigenous to Turkey were examined. Wood samples were collected from different altitudes of their natural growth areas. Data were gathered on quantitative anatomical features such as tangential and radial vessel diameters, number of vessels per mm2, length of vessel elements, fibers (lengths, widths, thickness of cell walls, lumen diameters), number of rays per mm, and ray width and height. By using vessel member features, the vulnerability ratio (vessel diameter divided by number of vessels per mm2) and mesomorphy value (vulnerability ratio multiplied by vessel elements length) were …
Oxalis Section Alpinae (Oxalidaceae): Orbicule Diversity And Pollen Grain Morphology, Alicia Lopez, Sonia Rosenfeldt
Oxalis Section Alpinae (Oxalidaceae): Orbicule Diversity And Pollen Grain Morphology, Alicia Lopez, Sonia Rosenfeldt
Turkish Journal of Botany
Orbicule characteristics and pollen morphology were studied using light microscopy and scanning electron microscopy with 13 species of Oxalis section Alpinae, endemic to South America. Orbicules are either homogeneous or heterogeneous in size; surface smooth or with punctuations; margin smooth, lobed, or wavy; rounded, oblong, or irregular shapes; variable clustering. According to orbicule characteristics, six groups are proposed. The Oxalis pollen grain is 3-colpate and the shape is prolate spheroidal, oblate spheroidal, or spheroidal; ambit rounded or triangular. Exine microreticulate, semitectate, brochate. Brochi circular, oval, triangular to polygonal. Lumen with or without content. Sporopollenin generally forming groups that may be …